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Merge branch 'pci/resource' into next

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* pci/resource:
  PCI: Fail pci_map_rom() if the option ROM is invalid
  PCI: Move pci_map_rom() error path
  x86/PCI: Enable a 64bit BAR on AMD Family 15h (Models 00-1f, 30-3f, 60-7f)
  PCI: Add pci_resize_resource() for resizing BARs
  PCI: Add resizable BAR infrastructure
  PCI: Add PCI resource type mask #define
This commit is contained in:
Bjorn Helgaas 2017-11-14 12:11:25 -06:00
commit 104d1e40cf
8 changed files with 380 additions and 17 deletions
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8
include/uapi/linux/pci_regs.h
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@ -940,9 +940,13 @@
#define PCI_SATA_SIZEOF_LONG 16
/* Resizable BARs */
#define PCI_REBAR_CAP 4 /* capability register */
#define PCI_REBAR_CAP_SIZES 0x00FFFFF0 /* supported BAR sizes */
#define PCI_REBAR_CTRL 8 /* control register */
#define PCI_REBAR_CTRL_NBAR_MASK (7 << 5) /* mask for # bars */
#define PCI_REBAR_CTRL_NBAR_SHIFT 5 /* shift for # bars */
#define PCI_REBAR_CTRL_BAR_IDX 0x00000007 /* BAR index */
#define PCI_REBAR_CTRL_NBAR_MASK 0x000000E0 /* # of resizable BARs */
#define PCI_REBAR_CTRL_NBAR_SHIFT 5 /* shift for # of BARs */
#define PCI_REBAR_CTRL_BAR_SIZE 0x00001F00 /* BAR size */
/* Dynamic Power Allocation */
#define PCI_DPA_CAP 4 /* capability register */